Elementary Linear Algebra: Applications Version
12th Edition
ISBN: 9781119282365
Author: Howard Anton, Chris Rorres, Anton Kaul
Publisher: WILEY
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4. Solve the system of equations and express your solution using vectors.
2x1 +5x2+x3 + 3x4 = 9
-x2+x3 + x4 = 1
-x1-6x2+3x3 + 2x4
= -1
3. Simplify the matrix expression
A(A-B) - (A+B)B-2(A - B)2 + (A + B) 2
[2 pts] 1. Let A =
[.
1 -1 0
-343
and B =
05
5 -7
304
Compute (7A - 3B) - 4(2A - B).
Chapter 3 Solutions
Elementary Linear Algebra: Applications Version
Ch. 3.1 - In Exercises 12, find the components of the...Ch. 3.1 - In Exercises 12, find the components of the...Ch. 3.1 - In Exercises 34, find the components of the vector...Ch. 3.1 - In Exercises 34, find the components of the vector...Ch. 3.1 - a. Find the terminal point of the vector that is...Ch. 3.1 - Let u = (3, 1, 2), v = (4, 0, 8), and w = (6, 1,...Ch. 3.1 - Show that there do not exist scalars c1, c2, and...Ch. 3.2 - In Exercises 34, evaluate the given expression...Ch. 3.2 - Let v = (2, 3, 0, 6). Find all scalars k such that...Ch. 3.2 - Prob. 9E
Ch. 3.2 - Prob. 11ECh. 3.3 - Prob. 1ECh. 3.3 - In Exercises 36, find a point-normal form of the...Ch. 3.3 - In Exercises 36, find a point-normal form of the...Ch. 3.3 - In Exercises 710, determine whether the given...Ch. 3.3 - In Exercises 710, determine whether the given...Ch. 3.3 - In Exercises 1112, determine whether the given...Ch. 3.3 - In Exercises 1314, find projau. a. u = (1, 2), a =...Ch. 3.3 - In Exercises 1520, find the vector component of u...Ch. 3.3 - In Exercises 1520, find the vector component of u...
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- 20 2. Let A = = [ -2 0 1 3 ] and B = 2 3 -1 2 For each of the following, calculate the product or indicate why it is undefined: (a) AB (b) BAarrow_forwardAnswer the number questions with the following answers +/- 2 sqrt(2) +/- i sqrt(6) (-3 +/-3 i sqrt(3))/4 +/-1 +/- sqrt(6) +/- 2/3 sqrt(3) 4 -3 +/- 3 i sqrt(3)arrow_forward1 Matching 10 points Factor and Solve 1)x3-216 0, x = {6,[B]} 2) 16x3 = 54 x-[3/2,[D]] 3)x4x2-42 0 x= [ +/-isqrt(7), [F] } 4)x+3-13-9x x=[+/-1.[H]] 5)x38x2+16x=0, x = {0,[K}} 6) 2x6-10x-48x2-0 x-[0, [M], +/-isqrt(3)) 7) 3x+2x²-8 x = {+/-i sqrt(2), {Q}} 8) 5x³-3x²+32x=2x+18 x = {3/5, [S]} [B] [D] [F] [H] [K] [M] [Q] +/-2 sqrt(2) +/- i sqrt(6) (-3+/-3 i sqrt(3))/4 +/- 1 +/-sqrt(6) +/- 2/3 sqrt(3) 4 -3 +/- 3 i sqrt(3) [S]arrow_forward
- The only problems I need help with ae the last 8 ones, Thanksarrow_forwardGraph without using the calculator y-1 = | x+4 |arrow_forward9:43 AS く Akbar © Printed in the United States 15) Scale: 1 cmal unit on both axes .ill 64% The graph above shows a straight line QT intersecting the y-axis at T. i State the co-ordinates of T. ii Calculate the gradient of QT 16) iii Determine the equation of QT. A (-1, 9) ||| i L Г (5 marks)arrow_forward
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